Problem A
Dungeon master — Problem Statistics

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Submissions	3042
Accepted submissions	1052
Submission ratio	34.58%
Authors	988
Full solves [?]	794
Full solve Ratio	80.36%

#	User	Runtime	Language	Date
1	Arif Rahman	0.03 s	C#	2018-08-22 20:57:37
2	Federico Antuña	0.03 s	C#	2020-02-16 14:24:17
3	Momir Maric	0.03 s	C#	2022-03-08 01:09:37
4	Klas af Geijerstam	0.04 s	C#	2017-08-04 19:07:06
5	Pedro Ferreira Cunha	0.04 s	C#	2022-12-21 13:13:10
6	Gleb Dmitriev	0.17 s	C#	2021-11-26 21:33:49

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Common Lisp	2019-07-13 04:55:36

#	User	Runtime	Language	Date
1	Norbert Voelker	0.16 s	Go	2022-02-12 22:20:08

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.02 s	Haskell	2025-07-02 08:24:45
2	Matthew Craven	0.40 s	Haskell	2018-09-23 00:36:40

#	User	Runtime	Language	Date
1	Simon Klein	0.06 s	Java	2011-11-05 21:44:42
2	Finn Lidbetter	0.08 s	Java	2017-11-18 15:12:22
3	Sven Rönnbäck	0.08 s	Java	2023-12-31 20:47:10
4	Erik Odenman	0.09 s	Java	2011-09-28 17:38:11
5	James Black	0.09 s	Java	2017-03-16 16:09:27
6	Mitch Price	0.09 s	Java	2017-03-27 04:52:39
7	William Fiset	0.09 s	Java	2018-04-07 19:57:48
8	David Koval	0.09 s	Java	2018-10-21 11:34:04
9	Joachim Borup	0.09 s	Java	2021-03-18 11:07:17
10	Issa Issack	0.09 s	Java	2024-12-22 05:12:48

#	User	Runtime	Language	Date
1	Patel G R	0.14 s	JavaScript (Node.js)	2025-05-01 09:42:42
2	Frazer Kirkman	0.49 s	JavaScript (Node.js)	2022-05-02 03:20:08
3	Peter Kedemo	0.62 s	JavaScript (Node.js)	2020-01-02 23:37:19

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.13 s	JavaScript (SpiderMonkey)	2022-09-27 14:46:12
2	Christian Cederquist	0.21 s	JavaScript (SpiderMonkey)	2023-06-22 23:45:05

#	User	Runtime	Language	Date
1	Timothy Gaede	0.66 s	Julia	2025-09-07 05:11:32

#	User	Runtime	Language	Date
1	Gabriel Wu	0.32 s	Kotlin	2019-10-22 13:13:36
2	Juan Miguel Vilar	0.36 s	Kotlin	2020-11-27 19:48:42
3	Phường Lên	0.37 s	Kotlin	2020-02-11 06:42:09

#	User	Runtime	Language	Date
1	Steven Halim	0.01 s	Pascal	2017-06-30 04:33:30

#	User	Runtime	Language	Date
1	Henry Wang	0.08 s	Python 2	2020-01-10 00:06:34
2	Yanmarshus Bachtiar	0.09 s	Python 2	2020-10-02 11:03:06
3	Agis Daniels	0.09 s	Python 2	2021-12-21 22:18:43
4	Hidden user	0.10 s	Python 2	2018-04-08 04:42:33
5	Frederik Højholt	0.11 s	Python 2	2017-04-12 18:17:43
6	Andreas Björklund	0.12 s	Python 2	2022-03-22 18:34:50
7	Niranjan Nagaraju	0.13 s	Python 2	2019-10-21 18:13:33
8	Gustav Sennton	0.14 s	Python 2	2011-10-04 22:49:51
9	Lars Åström	0.14 s	Python 2	2019-11-12 13:10:34
10	Hermon Mulat	0.19 s	Python 2	2019-02-25 22:49:52

#	User	Runtime	Language	Date
1	John Swingle	0.08 s	Python 3	2022-10-07 00:49:25
2	Artjom Hruljov	0.08 s	Python 3	2025-05-07 12:19:57
3	Janne-Lii Aun-Trepp	0.08 s	Python 3	2025-06-05 15:46:37
4	Diana Kuntsmann	0.08 s	Python 3	2025-06-08 17:55:53
5	Simen Sørensen	0.08 s	Python 3	2025-08-15 19:30:50
6	Hidden user	0.09 s	Python 3	2021-08-09 00:34:32
7	Abhiram Girish Naik	0.09 s	Python 3	2025-04-30 15:43:48
8	Rahul Modi Shah	0.09 s	Python 3	2025-04-30 17:37:44
9	Manoj Konkal	0.09 s	Python 3	2025-04-30 18:02:28
10	Anusha GN	0.09 s	Python 3	2025-05-01 08:19:26

#	User	Runtime	Language	Date
1	Alexander Bilde Pedersen	0.63 s	Ruby	2023-03-05 19:39:56

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.00 s	Rust	2023-10-28 12:20:48
2	Eric Pinter	0.01 s	Rust	2020-12-02 00:53:04
3	Dalton Nickerson	0.01 s	Rust	2021-08-04 21:11:26
4	Isak Jägberg	0.01 s	Rust	2022-01-13 11:19:58
5	Bas Dirks	0.02 s	Rust	2022-05-11 12:10:14
6	carlo	0.02 s	Rust	2022-11-07 19:40:07

#	User	Length	Language	Date
1	Shreya B Yadav	1987	C	2025-05-01 15:01:18
2	Charles Dea	1998	C	2025-03-26 02:38:12
3	Varsha M S	2002	C	2025-05-01 15:25:04
4	Srishti Mandre	2115	C	2025-05-01 14:57:34
5	Priya Priya	2115	C	2025-05-01 15:00:17
6	Prakruthi Kn	2204	C	2025-05-01 15:14:00
7	Xiaochi Wang	2223	C	2022-08-02 10:03:22
8	Libo Max	2223	C	2024-04-11 07:09:55
9	Alexander Bilde Pedersen	2366	C	2023-03-05 19:53:36
10	LUIS ANGEL MOROCO RAMOS	2453	C	2021-11-29 21:28:20

#	User	Length	Language	Date
1	Klas af Geijerstam	3591	C#	2017-08-04 19:07:06
2	Pedro Ferreira Cunha	4082	C#	2022-12-21 13:13:10
3	Federico Antuña	5805	C#	2020-02-16 14:24:17
4	Gleb Dmitriev	6004	C#	2021-11-26 21:33:49
5	Momir Maric	7103	C#	2022-03-08 01:10:52
6	Arif Rahman	9591	C#	2018-08-22 20:57:37

#	User	Length	Language	Date
1	William Gan	1111	C++	2018-01-15 08:25:56
2	Richard Gong	1121	C++	2015-10-07 12:07:38
3	Johan Sannemo	1123	C++	2011-10-09 10:40:46
4	Herman Karlsson	1192	C++	2015-09-09 22:09:48
5	Matteo Zappia	1193	C++	2021-11-30 17:20:23
6	Riccardo Di Bella	1215	C++	2021-11-30 17:27:04
7	Thi Dai Loc	1254	C++	2017-01-07 16:04:59
8	Luca Dolci	1267	C++	2021-02-23 11:49:18
9	Markus Mathiasen	1286	C++	2021-11-20 15:02:41
10	Wang Zhi Jian	1339	C++	2018-03-13 19:03:17

#	User	Length	Language	Date
1	Hidden user	2641	Common Lisp	2019-07-13 07:06:09

#	User	Length	Language	Date
1	Norbert Voelker	5214	Go	2022-02-12 22:51:00

#	User	Length	Language	Date
1	Steinar Simonnes	2265	Haskell	2025-07-02 08:25:31
2	Matthew Craven	2496	Haskell	2018-09-23 00:36:40

#	User	Length	Language	Date
1	Azael Zamora	1790	Java	2020-03-06 03:54:07
2	Doug Goodman	1794	Java	2017-10-10 20:00:42
3	Jonathan Hartnett	1943	Java	2017-10-14 17:38:22
4	Sam Huynh	1986	Java	2021-08-06 05:52:21
5	Mitch Price	2015	Java	2017-03-27 04:52:39
6	Rohit Bohra	2072	Java	2020-05-28 12:02:00
7	Nick Wu	2192	Java	2016-07-04 19:13:18
8	Erik Odenman	2208	Java	2011-09-28 17:38:11
9	Emilie Hyslop	2353	Java	2021-08-06 09:42:48
10	Hidden user	2365	Java	2019-04-20 03:29:42

#	User	Length	Language	Date
1	Frazer Kirkman	1977	JavaScript (Node.js)	2022-05-04 16:25:50
2	Patel G R	2185	JavaScript (Node.js)	2025-05-01 09:42:42
3	Peter Kedemo	3461	JavaScript (Node.js)	2020-01-02 23:37:19

#	User	Length	Language	Date
1	Christian Cederquist	1382	JavaScript (SpiderMonkey)	2023-06-22 23:45:05
2	Bjørn Chr. Soltvedt	20754	JavaScript (SpiderMonkey)	2022-09-27 14:46:12

#	User	Length	Language	Date
1	Timothy Gaede	1712	Julia	2025-09-07 05:11:32

#	User	Length	Language	Date
1	Gabriel Wu	2781	Kotlin	2019-10-22 13:13:36
2	Juan Miguel Vilar	2885	Kotlin	2020-11-27 19:48:42
3	Phường Lên	3407	Kotlin	2020-02-11 06:42:09

#	User	Length	Language	Date
1	Steven Halim	2970	Pascal	2017-06-30 04:33:30

#	User	Length	Language	Date
1	Andreas Björklund	1116	Python 2	2022-03-22 18:34:50
2	Lars Åström	1270	Python 2	2019-11-12 13:10:34
3	Frederik Højholt	1420	Python 2	2017-04-12 18:17:43
4	Yanmarshus Bachtiar	1459	Python 2	2020-10-02 11:03:06
5	Godmar Back	1597	Python 2	2013-10-12 20:19:43
6	Hidden user	1677	Python 2	2018-04-08 04:42:33
7	Christofer Ohlsson	1685	Python 2	2017-02-08 18:30:10
8	Henry Wang	1903	Python 2	2020-01-10 00:06:34
9	Agis Daniels	1929	Python 2	2021-12-21 22:18:43
10	Hermon Mulat	2057	Python 2	2019-02-25 22:49:52

#	User	Length	Language	Date
1	Benjamin Z White	560	Python 3	2023-07-23 19:33:11
2	Peter Stauder	589	Python 3	2023-04-11 20:07:54
3	Nicholas Russell Saerang	794	Python 3	2024-05-07 15:56:43
4	Kelly Dance	930	Python 3	2022-10-09 05:08:24
5	Oskar Haarklou Veileborg	935	Python 3	2020-04-02 13:28:22
6	Ethan Partidas	981	Python 3	2017-03-27 20:51:37
7	Sander Oppen	1015	Python 3	2024-11-10 17:34:43
8	Josh Taylor	1069	Python 3	2022-10-08 00:12:57
9	Robin Ask Rohr Halberg	1082	Python 3	2024-02-28 20:01:35
10	Sudarshan V D	1103	Python 3	2025-05-01 15:08:38

#	User	Length	Language	Date
1	Alexander Bilde Pedersen	348	Ruby	2023-03-12 23:29:54

#	User	Length	Language	Date
1	Bas Dirks	2541	Rust	2022-05-11 12:10:14
2	Eric Pinter	2801	Rust	2020-12-02 00:53:04
3	Dalton Nickerson	4774	Rust	2021-08-04 21:13:11
4	carlo	5061	Rust	2022-11-07 19:40:07
5	Isak Jägberg	6756	Rust	2022-01-13 11:19:58
6	Daniel Anker Hermansen	25235	Rust	2023-10-28 12:20:48

Solution running time distribution